/* This notice must be untouched at all times.

FreeGroup Draw2D 0.9.26
The latest version is available at
http://www.freegroup.de

Copyright (c) 2006 Andreas Herz. All rights reserved.
Created 5. 11. 2006 by Andreas Herz (Web: http://www.freegroup.de )

LICENSE: LGPL

This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License (LGPL) as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.

This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA,
or see http://www.gnu.org/copyleft/lesser.html
*/

/**
 * 
 * @version 0.9.26
 * @author Andreas Herz
 * @constructor
 */
draw2d.CommandConnect=function(/*:draw2d.Canvas*/ canvas, /*:draw2d.Port*/ source, /*:draw2d.Port*/target)
{
   draw2d.Command.call(this,"create connection");
   this.workflow = canvas;
   this.source   = source;
   this.target   = target;
   this.connection = null;
};

draw2d.CommandConnect.prototype = new draw2d.Command();
/** @private **/
draw2d.CommandConnect.prototype.type="draw2d.CommandConnect";

/**
 * Init the Command with my own implementation of a connection
 *
 **/

draw2d.CommandConnect.prototype.setConnection=function(/*:draw2d.Connection*/ connection)
{
   this.connection=connection;
};

/**
 * Execute the command the first time
 * 
 **/
draw2d.CommandConnect.prototype.execute=function()
{
   if(this.connection===null)
      this.connection = new draw2d.Connection();
   this.connection.setSource(this.source);
   this.connection.setTarget(this.target);
   this.workflow.addFigure(this.connection);
   
   //reseta a cardinalida quando se add um filho para que este tbm tenha a cardinalidade
   idPortPai = document.getElementById(this.source.getId()).parentNode.id;   
   figPortPai = this.workflow.getFigure(idPortPai);   
   if (figPortPai.getCard() != null) {
       figPortPai.addCardinal(figPortPai.getCard());
   }
};

/**
 * Redo the command after the user has undo this command.
 *
 **/
draw2d.CommandConnect.prototype.redo=function()
{
   this.workflow.addFigure(this.connection);
   this.connection.reconnect();
   
   //reseta a cardinalida quando se add um filho para que este tbm tenha a cardinalidade
   idPortPai = document.getElementById(this.source.getId()).parentNode.id;
   figPortPai = this.workflow.getFigure(idPortPai);   
   if (figPortPai.getCard() != null) {
       figPortPai.addCardinal(figPortPai.getCard());
   }
};

/** 
 * Undo the command.
 *
 **/
draw2d.CommandConnect.prototype.undo=function()
{
    this.workflow.removeFigure(this.connection);
};

